2208866 has 8 divisors (see below), whose sum is σ = 3614544. Its totient is φ = 1004020.

The previous prime is 2208853. The next prime is 2208887. The reversal of 2208866 is 6688022.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50180 + ... + 50223.

It is an arithmetic number, because the mean of its divisors is an integer number (451818).

2^2208866 is an apocalyptic number.

2208866 is a deficient number, since it is larger than the sum of its proper divisors (1405678).

2208866 is a wasteful number, since it uses less digits than its factorization.

2208866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100416.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 2208866 is about 1486.2254203182. The cubic root of 2208866 is about 130.2336232960.

The spelling of 2208866 in words is "two million, two hundred eight thousand, eight hundred sixty-six".